PRIOn knowledge basePRION:CVE-2015-0291Null pointer dereference
7 High
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.904 High
EPSS
Percentile
98.7%
The sigalgs implementation in t1_lib.c in OpenSSL 1.0.2 before 1.0.2a allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) by using an invalid signature_algorithms extension in the ClientHello message during a renegotiation.
| CPE | Name | Operator | Version |
|---|---|---|---|
| openssl | eq | 1.0.2 beta3 | |
| openssl | eq | 1.0.2 beta1 | |
| openssl | eq | 1.0.2 | |
| openssl | eq | 1.0.2 beta2 |
References
www.fortiguard.com/advisory/2015-03-24-openssl-vulnerabilities-march-2015
www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html
www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html
www.securityfocus.com/bid/73235
www.securitytracker.com/id/1031929
bto.bluecoat.com/security-advisory/sa92
bugzilla.redhat.com/show_bug.cgi?id=1202338
cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
git.openssl.org/?p=openssl.git;a=commit;h=76343947ada960b6269090638f5391068daee88d
kc.mcafee.com/corporate/index?page=content&id=SB10110
marc.info/?l=bugtraq&m=143748090628601&w=2
marc.info/?l=bugtraq&m=144050155601375&w=2
marc.info/?l=bugtraq&m=144050297101809&w=2
security.gentoo.org/glsa/201503-11
www.openssl.org/news/secadv_20150319.txt
Related
7 High
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.904 High
EPSS
Percentile
98.7%